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Pet Rats/Pet Mouse attacked by pet hamster


Hi Irene I made it completely stupid mistake this morning thinking I could take a picture of my hamster next to my mouse, Bernie.  The hamster grabbed and attacked her within seconds she was ripped up pretty good :( As far as I can tell the wounds are all superficial, but Nasty superficial.  I'm assuming there's hi potential for infection here? Her tiny forehead is almost scalped and the underside of her ear looks pretty bad too - partially detached. Not a scratch on the eyes tho.  My question is, can mice be given Keflex??   If so what is the proper dosage for a little chubby mouse? It is the only anabiotic I have around the house right now and I cannot afford to take her to a vet.  I cleaned her up best I could with peroxide and packed the holes with Neosporin.  Any advice would be grealy appreciated, <3 Alexis, Bernie, DeeDee, Beatrice and Yemen - The naughty hamster.

Hi Alexis.  First, please accept my apologies for this delayed response.  You entered your question in the Pet Rats category, and, as I know nothing about mice, I reached out to my friend, another expert here but in the Mice category.  She took a few days to respond to me.

I hope your little girl Bernie is doing alright after you cleaned up her wounds.  If she appears to have an infection or if the wounds are not healing nicely, it would be ok to give the Keflex, as it is a broad spectrum antibiotic.  Just a drop is fine as it is hard to overdose on antibiotics.  You can give it with some yogurt or pudding or something else she likes.

I recommend you go to your local pet store and purchase Tetracycline for fish, which is a broad spectrum antibiotic, sold over the counter.  This way you can have it on hand for future emergencies.

If you don't mind, please let me know how Bernie is doing, as I am worried due to my late response.

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Irene Murphy


I can answer a variety of questions regarding adoption and care of pet rats throughout their lifetimes, including questions about their health and well being, temperment, diet, bedding, cages, toys, etc. I will try to answer your questions to the best of my ability in a timely manner and I have an abundant amount of resources to help me to help you with your pet rats. I love rattie pictures, so include pics with your question if you can. You may ask me medical questions, but please be advised that I am not a vet. I may use my resources to answer some medical questions, however, I will need to refer you to your local vet with medical questions that I feel I am not qualified to address.


I have been a huge rat enthusiast for many years. Since becoming a rat owner, I have educated myself in all areas of pet rats from every resource I could find including the internet, books, conversations with local exotic vets, as well as several local rat breeders.

I have a college degree but not in the area of animals. I have obtained my extensive experience and knowlege of pet rats all on my own because in my eyes, pet rats are the most interesting and fascinating creatures you can ever imagine to have as pets. I also am saddened by how mislabeled and misunderstood these amazing and extremely smart animals are by the majority, and my mission in life has become to educate and change as many people's perceptions of rats as I possibly can.

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